statistical infrequency

Question 1

what are the 6 AO1 points you must know for statistical infrequency?

Answer 1

-Definition
-How it’s Measured
-Typical Distribution
-Example – IQ
-Objective and Quantifiable
-Used in Clinical Settings

Question 2

What is the definition of statistical infrequency?

Answer 2

Abnormality is when behaviour is numerically rare or statistically unusual compared to the general population.

Question 3

How is statistical infrequency measured?

Answer 3

Using mathematical techniques like normal distribution, to see how common or rare a behaviour is

Question 4

What does a normal distribution curve show in this context?

Answer 4

Most people fall near the average, and those 2+ standard deviations from the mean are considered abnormal.

Question 5

Give an example of statistical infrequency using IQ.

Answer 5

An IQ below 70 is statistically rare (about 2.5% of the population), so it’s considered abnormal.

Question 6

What is a strength of this definition?

Answer 6

It is objective and data-based, using clear, quantifiable cut-offs to define abnormality

Question 7

How is statistical infrequency used in clinical diagnosis?

Answer 7

It’s used to help diagnose conditions like intellectual disability disorder, which depends on a low IQ score.